Simple 1Hz clock generator eNoNwoERACAIA7H6FJmB/QetXnKkXVHmVoMw/RlNkgcO2wNx
You can do lots with this program for instant you could recreate logism circuits on this as you have all the essential logic gates ( NOT , AND , OR) doing this you could build up to full adders etc. The only problem is limited space.